JO21JN Meaning of JO21JN in English Stations in this subsquare: PA0ABG, PA0HWB, PA3DPC, PA3DSE, PA3DXS, PA3ECR, PE1OLT, PE2JCA See all stations in JO21 Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012